Someone help me please. I think it’s 35 but I’m not sure

40

Step-by-step explanation:

The first triangle is 1/2 the size of the bigger triangle, you would just multiply 20 by the ration you have which is 2 and you get 40

$12. that is my answer.

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.